Hainault appeared in 104 regular season games (100 starts) for the Dynamo over the past four seasons. The 2011 Dynamo Defender of the Year moved between center back and outside back during his tenure in Houston.

Although an official roster has not been released yet, it is expected that Hainault will be a part of the Canadian squad that will take on the United States at BBVA Compass Stadium on January 29.